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Design, Testing and Operation of Porous Media for Dehumidification and Nutrient Delivery in Microgravity Plant Growth Systems
Technical Paper
2003-01-2614
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Porous plate dehumidifiers (PPD) and porous tube nutrient delivery systems (PTNDS) are designed to provide a means for accurate environmental control, and also allow for two-phase flow separation in microgravity through surface tension. The technological challenges associated with these systems arise from the requirement to accurately measure and control the very small pressures that typically occur within and across the porous media. On-orbit automated priming or filling of the system in the absence of gravity may be necessary. Several porous plate dehumidifiers and porous tube nutrient delivery systems have been tested and evaluated, and experimental results for engineering design are presented.
Authors
- Alex Hoehn - BioServe Space Technologies
- Paul Scovazzo - BioServe Space Technologies
- James Clawson - University of Colorado, Aerospace Engineering Sciences
- Tobias Geissinger - University of Colorado, Aerospace Engineering Sciences
- William Kalinowski - University of Colorado, Aerospace Engineering Sciences
- Jon Pineau - University of Colorado, Aerospace Engineering Sciences
Topic
Citation
Hoehn, A., Scovazzo, P., Clawson, J., Geissinger, T. et al., "Design, Testing and Operation of Porous Media for Dehumidification and Nutrient Delivery in Microgravity Plant Growth Systems," SAE Technical Paper 2003-01-2614, 2003, https://doi.org/10.4271/2003-01-2614.Also In
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